Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
Qemb #01 Lightning Talk
Search
Keiichiro
December 24, 2012
Technology
2
190
Qemb #01 Lightning Talk
九州・熊本ハードウェア/組み込み系勉強会「Qemb」#01で発表したプレゼンです。
Keiichiro
December 24, 2012
Tweet
Share
More Decks by Keiichiro
See All by Keiichiro
Weather Data Scraping
9sq
0
160
Let's try using AkiCart!!
9sq
0
820
Getting Started with ESP8266
9sq
1
210
Devsumi2016 OuchHackLT RESTful Toilet
9sq
0
110
An Attempt to Volcanic Activity Information Delivery using a Push Notification Service.
9sq
0
300
how to use ZY-FGD1442701V1 with mbed
9sq
0
6.3k
Security SAKURA #04 Lightning Talk
9sq
1
3.2k
Other Decks in Technology
See All in Technology
LLMOps : ΔMLOps
shuntaito
13
2.1k
0x5F3759DF
ykozw
0
340
Delta Commit…の最近...
akuwano
2
130
入社半年(合計1年)でGoogle Cloud 認定を全冠した秘訣🤫
risatube
1
280
プログラミング写経のすすめ
natsutan
0
170
マルチテナントのサービスインフラに大きなテナントを受け入れるまで
7474
0
790
外部カンファレンスで登壇しよう! 〜「強い」エンジニアへの一歩を踏み出す〜
logica0419
4
140
The road to green code (with Sonar)
bluehats
0
170
Cosmos DB で持続可能な RAG を実現しよう!~ AOAI Dev Day ふりかえりを添えて / Sustainable RAG with Cosmos DB with recap AOAI Dev Day
miyake
0
180
カメラ単体で物体の3次元 座標を扱う方法
kenmatsu4
0
170
サーバレスで挑む IoT プロジェクトの現実解 / Real solutions for the IoT project using serverless service
genkiogasawara
1
130
Microsoft 365 でデータセキュリティを強化しよう
sophiakunii
2
480
Featured
See All Featured
Learning to Love Humans: Emotional Interface Design
aarron
272
40k
Building Better People: How to give real-time feedback that sticks.
wjessup
363
19k
Designing for Performance
lara
604
68k
The Power of CSS Pseudo Elements
geoffreycrofte
71
5.3k
Building Adaptive Systems
keathley
38
2.2k
Intergalactic Javascript Robots from Outer Space
tanoku
268
27k
How to Create Impact in a Changing Tech Landscape [PerfNow 2023]
tammyeverts
46
2.1k
Side Projects
sachag
452
42k
For a Future-Friendly Web
brad_frost
174
9.4k
How To Stay Up To Date on Web Technology
chriscoyier
788
250k
Thoughts on Productivity
jonyablonski
67
4.3k
RailsConf 2023
tenderlove
28
860
Transcript
3BTQCFSSZ1JͰ(1*0ͳ Kei Yoshimura (@9SQ)
3BTQCFSSZ1JͬͯԿʁ ɾӳࠃϥζϕϦʔύΠࡒஂ͕։ൃͨ͠ARMࡌ ɹΧʔυαΠζίϯϐϡʔλɻ ɾίϯϐϡʔλڭҭΛతͱͯ͠ઃܭɺ҆Ձɻ ɾLinux͕ಈ͘ʂ
None
None
º(1*0 6"35 *$ 41* 7 7 (/% )%.* .CQT
&UIFSOFU 3+ 4%Χʔυεϩοτ .JDSP64# ిݯ༻ ίϯϙδοτग़ྗ NNδϟοΫ 64#ºϙʔτ
SDRAM 256MB / 512MB Broadcom VideoCore IV OpenGL ES 2.0
HD(1080p) H.264/MPEG4σίʔμ ARM11ϑΝϛϦʔ ARM1176JZF-S 700MHz HDMI ίϯϙδοτ 3.5mmεςϨΦϛχ SD Χʔυ SDIO USB HUB USB USB GPIO I2C SPI UART NIC LCD (DSI) Χϝϥ (CSI)
"SEVJOP%6& 3BTQCFSSZ1J "3.ࡌϘʔυͷҧ͍ "3. $PSUFY.
σόΠευϥΠό ΦϖϨʔςΟϯάγεςϜ ϥΠϒϥϦ $16ϖϦϑΣϥϧ $16ϖϦϑΣϥϧ ੍ޚιϑτ ੍ޚιϑτ ੍ޚର ੍ޚର
None
"SEVJOP%6& 3BTQCFSSZ1J ɾෳࡶͳॲཧ͕Մೳ ɹ→طଘΞϓϦέʔγϣϯͷ׆༻ ɾ༧Ί༻ҙ͞ΕͨΠϯλʔϑΣʔε ɹ(USBϗετɺHDMIɺLAN) ɾ੍ޚ ɹ→ਖ਼֬ͳλΠϛϯάɾࡉ੍͔͍ޚ ɾ๛ͳσδλϧೖग़ྗ ɹ(σδλϧI/O
52ϐϯɺΞφϩάIN 12ϐϯ)
ྫ͑ εϚʔτϑΥϯ ϒϥβ 8J'Jϧʔλ 3BTQCFSSZ1J ༗ઢ-"/ ແઢ-"/ (1*0 64#
ϐϯΞαΠϯ 2 5V 4 5V 6 GND 8 GPIO14 UART0_TXD
10 GPIO15 UART0_RXD 12 GPIO18 14 GND 16 GPIO23 18 GPIO24 20 GND 22 GPIO25 24 GPIO8 SPI0_CE0_N 26 GPIO7 SPI0_CE1_N 1 3V3 3 GPIO0 I2C0_SDA 5 GPIO1 I2C0_SCL 7 GPIO4 GPCLK0 9 GND 11 GPIO17 13 GPIO21 15 GPIO22 17 3V3 19 GPIO10 SPI0_MOSI 21 GPIO9 SPI0_MISO 23 GPIO11 SPI0_SCLK 25 GND
FDIPlzTZTDMBTTHQJPFYQPSU FDIPlPVUzTZTDMBTTHQJPHQJPEJSFDUJPO FDIPlzTZTDMBTTHQJPHQJPWBMVF FDIPlzTZTDMBTTHQJPHQJPWBMVF FDIPlzTZTDMBTTHQJPVOFYQPSU (1*0 (/% LЊ γΣϧͰ੍ޚ
FDIPlzTZTDMBTTHQJPFYQPSU FDIPlPVUzTZTDMBTTHQJPHQJPEJSFDUJPO FDIPlzTZTDMBTTHQJPHQJPWBMVF FDIPlzTZTDMBTTHQJPHQJPWBMVF FDIPlzTZTDMBTTHQJPVOFYQPSU ϙʔτ༻։࢝ ϙʔτ༻ऴྃ ೖग़ྗઃఆ σʔλͷಡΈॻ͖
FDIPlJOzTZTDMBTTHQJPHQJPEJSFDUJPO DBUTZTDMBTTHQJPHQJPWBMVF ೖྗઃఆ ɹ↓ɹ ͷಡΈग़͠
εςοϐϯάϞʔλ 41( Λճ͢
#include <stdio.h> int main() { int i;
system("echo \"7\" > /sys/class/gpio/export"); system("echo \"8\" > /sys/class/gpio/export"); system("echo \"9\" > /sys/class/gpio/export"); system("echo \"10\" > /sys/class/gpio/export"); system("echo \"out\" > /sys/class/gpio/gpio7/direction"); system("echo \"out\" > /sys/class/gpio/gpio8/direction"); system("echo \"out\" > /sys/class/gpio/gpio9/direction"); system("echo \"out\" > /sys/class/gpio/gpio10/direction"); for (i=0; i<360; i++) { system("echo \"1\" > /sys/class/gpio/gpio7/value"); system("echo \"1\" > /sys/class/gpio/gpio8/value"); system("echo \"0\" > /sys/class/gpio/gpio7/value"); system("echo \"1\" > /sys/class/gpio/gpio8/value"); system("echo \"1\" > /sys/class/gpio/gpio9/value"); system("echo \"0\" > /sys/class/gpio/gpio8/value"); system("echo \"1\" > /sys/class/gpio/gpio9/value"); system("echo \"1\" > /sys/class/gpio/gpio10/value"); system("echo \"0\" > /sys/class/gpio/gpio9/value"); system("echo \"1\" > /sys/class/gpio/gpio10/value"); system("echo \"1\" > /sys/class/gpio/gpio7/value"); system("echo \"0\" > /sys/class/gpio/gpio10/value"); } system("echo \"7\" > /sys/class/gpio/unexport"); system("echo \"8\" > /sys/class/gpio/unexport"); system("echo \"9\" > /sys/class/gpio/unexport"); system("echo \"10\" > /sys/class/gpio/unexport"); }
ඇৗʹࡶʢεϚʔτͰͳ͍ʣ
1ZUIPOͰ੍ޚ 31J(1*0 IUUQQZQJQZUIPOPSHQZQJ31J(1*0 JNQPSU31J(1*0BT(1*0 JNQPSUTZT JNQPSUUJNF (1*0TFUNPEF (1*0#$. (1*0TFUVQ
(1*0065 (1*0PVUQVU (1*0)*() UJNFTMFFQ (1*0PVUQVU (1*0-08 (1*0DMFBOVQ (1*0 (/% LЊ
(1*0TFUVQ (1*0*/ WBM(1*0JOQVU ೖྗઃఆ ɹ↓ɹ ͷಡΈग़͠
import RPi.GPIO as GPIO GPIO.setmode(GPIO.BCM) GPIO.setup(7,GPIO.OUT) GPIO.setup(8,GPIO.OUT) GPIO.setup(9,GPIO.OUT) GPIO.setup(10,GPIO.OUT)
for i in range(0,360): GPIO.output(7,GPIO.HIGH) GPIO.output(8,GPIO.HIGH) GPIO.output(7,GPIO.LOW) GPIO.output(8,GPIO.HIGH) GPIO.output(9,GPIO.HIGH) GPIO.output(8,GPIO.LOW) GPIO.output(9,GPIO.HIGH) GPIO.output(10,GPIO.HIGH) GPIO.output(9,GPIO.LOW) GPIO.output(10,GPIO.HIGH) GPIO.output(7,GPIO.HIGH) GPIO.output(10,GPIO.LOW) GPIO.cleanup() #include <stdio.h> int main() { int i; system("echo \"7\" > /sys/class/gpio/export"); system("echo \"8\" > /sys/class/gpio/export"); system("echo \"9\" > /sys/class/gpio/export"); system("echo \"10\" > /sys/class/gpio/export"); system("echo \"out\" > /sys/class/gpio/gpio7/direction"); system("echo \"out\" > /sys/class/gpio/gpio8/direction"); system("echo \"out\" > /sys/class/gpio/gpio9/direction"); system("echo \"out\" > /sys/class/gpio/gpio10/direction"); for (i=0; i<360; i++) { system("echo \"1\" > /sys/class/gpio/gpio7/value"); system("echo \"1\" > /sys/class/gpio/gpio8/value"); system("echo \"0\" > /sys/class/gpio/gpio7/value"); system("echo \"1\" > /sys/class/gpio/gpio8/value"); system("echo \"1\" > /sys/class/gpio/gpio9/value"); system("echo \"0\" > /sys/class/gpio/gpio8/value"); system("echo \"1\" > /sys/class/gpio/gpio9/value"); system("echo \"1\" > /sys/class/gpio/gpio10/value"); system("echo \"0\" > /sys/class/gpio/gpio9/value"); system("echo \"1\" > /sys/class/gpio/gpio10/value"); system("echo \"1\" > /sys/class/gpio/gpio7/value"); system("echo \"0\" > /sys/class/gpio/gpio10/value"); } system("echo \"7\" > /sys/class/gpio/unexport"); system("echo \"8\" > /sys/class/gpio/unexport"); system("echo \"9\" > /sys/class/gpio/unexport"); system("echo \"10\" > /sys/class/gpio/unexport"); }
εοΩϦ ͔͍͠ (ຊ͏গ͠εϚʔτʹॻ͚·͢)
γΣϧ σόΠευϥΠό TIME/DIV 4.00ms TIME/DIV 2.00μs
ͭͮ͘...ʁ ͢Έ·ͤΜɺ৸མͪ͠·ͨ͠
ʢ৭ʑҙຯͰʣϨϕϧʢͳʣϒϩάͬͯ·͢ɻ IUUQFMFDMPHRVJUTRDPN